Patents by Inventor Steven J. Metz

Steven J. Metz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Through-Hardened Valve Seat for Hydraulic Fracturing
    Publication number: 20200217424
    Abstract: A valve seat for hydraulic fracturing valves employs a through-hardening process, for example, with austempering, to provide greater wear resistance at the interface between the valve seat and the valve plug as well as resistance to abrasion and leakage in the interface between an alignment ring of the valve seat and a bore in the pump body.
    Type: Application
    Filed: December 23, 2019
    Publication date: July 9, 2020
    Inventors: Erik Rasmussen, Steven J. Metz